Posted by: colegrove | Saturday 7 March 2009

How easily we are deceived

perception_vaseInstructions: watch the following video ONLY ONCE!

The video will show a group of basketball players, some in white and some in black passing two balls around.  Your goal is to count how many times the ball is passed by those wearing white shirts. It’s that simple.  Remember, count JUST the passes of the ball by those wearing white.  Once the movie is over, write down the number of passes you have counted. DO NOT watch the video again.

Ready?  Click the link and watch – count!


(If the above link doesn’t work:

ONLY AFTER you have watched the above video, click the following link to view your results:


(If the above link doesn’t work:

On the second link, the “View Results” you may or may not be asked to enter your email address.  This will not be spam.    What does everyone think of the video… how many times was the ball passed?


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